I downloaded and ran Anti-Malware.
I told me that the SHA-2 update was missing so I chose to download and run the legacy version.
The prompts differed from what you listed, e.g. no Dashboard, but I did do a Scan.

The report is below:

Malwarebytes
www.malwarebytes.com

-Log Details-
Scan Date: 3/5/22
Scan Time: 8:43 PM
Log File: c751fa40-9cee-11ec-9a80-74d02b282604.json

-Software Information-
Version: 4.3.0.98
Components Version: 1.0.1273
Update Package Version: 1.0.51929
License: Trial

-System Information-
OS: Windows 7 Service Pack 1
CPU: x86
File System: NTFS
User: Molly\Chris

-Scan Summary-
Scan Type: Threat Scan
Scan Initiated By: Manual
Result: Completed
Objects Scanned: 166852
Threats Detected: 0
Threats Quarantined: 0
Time Elapsed: 2 min, 37 sec

-Scan Options-
Memory: Enabled
Startup: Enabled
Filesystem: Enabled
Archives: Enabled
Rootkits: Disabled
Heuristics: Enabled
PUP: Detect
PUM: Detect

-Scan Details-
Process: 0
(No malicious items detected)

Module: 0
(No malicious items detected)

Registry Key: 0
(No malicious items detected)

Registry Value: 0
(No malicious items detected)

Registry Data: 0
(No malicious items detected)

Data Stream: 0
(No malicious items detected)

Folder: 0
(No malicious items detected)

File: 0
(No malicious items detected)

Physical Sector: 0
(No malicious items detected)

WMI: 0
(No malicious items detected)


(end)

Still need to do AdwCleaner